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VPLEX Metro and UCS Boot policy
Hi,
I am setting up UCS blades on a VPLEX Metro and cross connecting the boot from SAN ESXi hosts. Is there a best practice when setting up boot policies for a distributed boot drive? The VPLEX clusters are both single engine and there are dual fabrics between the DCs. My thought was to go with the following:
C1 Hosts SAN Primary boot policy:
SAN Target Primary - C1 Director A EVEN FE (0 or 2)
SAN Target Secondary - C2 Director B EVEN FE (2 or 0)
C1 Hosts SAN Secondary boot policy:
SAN Target Primary - C1 Director A ODD FE (1 or 3)
SAN Target Secondary - C2 Director B ODD FE (3 or 1)
C2 Hosts SAN Primary boot policy:
SAN Target Primary - C2 Director A EVEN FE (0 or 2)
SAN Target Secondary - C1 Director B EVEN FE (2 or 0)
C2 Hosts SAN Secondary boot policy:
SAN Target Primary - C2 Director A ODD FE (1 or 3)
SAN Target Secondary - C1 Director B ODD FE (3 or 1)
Thanks!
ThomDaleyPPI
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June 2nd, 2016 16:00
Sorry, I had them mixed up, this is the new list:
C1 Hosts SAN Primary boot policy:
SAN Target Primary - C1 Director A EVEN FE (0 or 2)
SAN Target Secondary - C1 Director B EVEN FE (2 or 0)
C1 Hosts SAN Secondary boot policy:
SAN Target Primary - C2 Director A ODD FE (1 or 3)
SAN Target Secondary - C2 Director B ODD FE (3 or 1)
C2 Hosts SAN Primary boot policy:
SAN Target Primary - C2 Director A EVEN FE (0 or 2)
SAN Target Secondary - C2 Director B EVEN FE (2 or 0)
C2 Hosts SAN Secondary boot policy:
SAN Target Primary - C1 Director A ODD FE (1 or 3)
SAN Target Secondary - C1 Director B ODD FE (3 or 1)
Sorry!
Anonymous
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June 7th, 2016 09:00
https://www.emc.com/collateral/TechnicalDocument/docu5265.pdf
Above is a link to the EMC Host Configuration Guide for ESXi. Hopefully this contains the documentation you're looking for.
ThomDaleyPPI
108 Posts
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June 7th, 2016 09:00
Hi charba,
This is helpful but I can't seem to find any recommendations or best practices for a cross connected host that boots off of a distributed volume. I can do what I have above but it exposes me to a certain extent because if there is a fabric failure (slim chance), the system would boot across the WAN.
Anonymous
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June 8th, 2016 09:00
I came across some more documentation while researching this issue, not specifically on a distributed boot drive, but a lot of information that I believe applies to your environment.
In all honesty, the information you're looking for could be in one of these guide and I missed it, I'm looking into this in-between SR work, so I would recommend taking a look yourself too.
*EMC® VPLEX™ Metro Cross-Cluster Host Connectivity Implementation Planning and Best Practices
• Cross-Cluster Host Connectivity
• Host Multi-pathing with Cross-Cluster Connectivity
• OS Specific Cross-Connect Considerations
http://www.emc.com/collateral/technical-documentation/h13813-vplex-metro-cross-cluster-host-connectivity-best-practices.pdf
*Using VMware vSphere with EMC VPLEX Best Practices Planning
http://www.emc.com/collateral/hardware/white-papers/h7118-using-vmware-virtualization-platforms-vplex.pdf
*Implementing VMware vSphere Metro Storage Cluster (vMSC) using EMC VPLEX (VMware KBA)
https://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2007545
ThomDaleyPPI
108 Posts
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June 13th, 2016 03:00
Thanks charba1. I can't find the h13813 pdf on support, the link appears to be broken. I will review the other docs to see if I can find anything.
vogel1
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June 13th, 2016 08:00
Try this link for h13813.
https://www.emc.com/collateral/technical-documentation/h13813-vplex-metro-cross-cluster-host-connectivity-best-practices…